China's State Council Information Office holds a news conference on the origin-tracing of COVID-19 on Thursday morning

Xu Nanping, vice-minister of Science and Technology, Zeng Yixin, vice-minister of the National Health Commission, Wang Chen, academician of the Chinese Academy of Engineering, Liang Wannian, team leader of the Chinese Side of the joint expert team of WHO-convened Global Study of Origins of SARS-CoV-2, and Yuan Zhiming, director of the National Biosafety Laboratory, address the conference.

(Editor: Ye Ke)